![(Updated) Retirement of SharePoint One-Time Passcode (SPO OTP) and transition to Microsoft Entra B2B [MC1243549]](https://mwpro.co.uk/wp-content/uploads/2025/06/pexels-tomfisk-2246950-1024x683.webp "(Updated) Retirement of SharePoint One-Time Passcode (SPO OTP) and transition to Microsoft Entra B2B [MC1243549] 1")
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(Updated) Retirement of SharePoint One-Time Passcode (SPO OTP) and transition to Microsoft Entra B2B [MC1243549]
Message ID: MC1243549 (Updated) Updated March 4, 2026: We have updated the content. Thank you for your patience. [Introduction]We are retiring SharePoint One‑Time Passcode (SPO OTP) authentication in OneDrive and SharePoint starting July 2026. Beginning in May 2026, new external sharing…
![Retirement of SharePoint One-Time Passcode (SPO OTP) and transition to Microsoft Entra B2B guest accounts [MC1243549]](https://mwpro.co.uk/wp-content/uploads/2024/08/pexels-googledeepmind-18068729-1024x683.webp "Retirement of SharePoint One-Time Passcode (SPO OTP) and transition to Microsoft Entra B2B guest accounts [MC1243549] 2")
